Calumet (CLMT) Stock Analysis & Winston Score
Calumet Inc. is a specialty chemicals and fuels company based in Indianapolis, Indiana. It refines crude oil and other feedstocks into a wide range of niche products, including specialty hydrocarbons, solvents, waxes, lubricants, and fuels. Its customers include industrial manufacturers, cosmetics companies, and fuel distributors across North America. Calumet earns revenue by selling these refined specialty products, with pricing tied closely to the spread between crude oil input costs and finished product prices. The company also owns Montana Renewables, a facility in Great Falls, Montana, that produces sustainable aviation fuel (SAF) and renewable diesel — a growing segment supported by government incentives. Calumet operates primarily in the United States and has a market cap of roughly $3.9 billion, though its thin gross margins and slightly negative operating margin highlight how sensitive the business is to commodity price swings. The Montana Renewables expansion is the key growth driver, but scaling that business while managing debt remains the central financial challenge.
Winston Score: 20/100 — Weak
Weak fundamentals across most pillars.
- Quality: Weak (1/30)
- Growth: Mixed (7/20)
- Cash Flow: Weak (1/10)
- Stability: Weak (0/10)
- Valuation: Data not available (0/10)
- Ownership: Good (10/15)


